Home / 3,154.24-4,352.64-1,757.12

Finding the Fourth Proportional to 3,154.24, 4,352.64 and 1,757.12

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Solution

The fourth proportional to 3,154.24, 4,352.64 and 1,757.12 is: 2,424.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.24 : 4,352.64 = 1,757.12 : x
  2. Step 2: Convert to fraction form
    3,154.24/4,352.64 = 1,757.12/x
  3. Step 3: Cross multiply
    3,154.24x = 4,352.64 × 1,757.12
  4. Step 4: Simplify right side
    3,154.24x = 7,648,110.80
  5. Step 5: Solve for x
    x = 7,648,110.80/3,154.24
  6. Step 6: Final answer
    x = 2,424.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.